2 Copyright (C) 2000-2006 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #include <glibmm/thread.h>
30 #include "pbd/xml++.h"
31 #include "pbd/replace_all.h"
32 #include "pbd/unknown_type.h"
33 #include "pbd/enumwriter.h"
35 #include "ardour/audioengine.h"
36 #include "ardour/buffer.h"
37 #include "ardour/io.h"
38 #include "ardour/route.h"
39 #include "ardour/port.h"
40 #include "ardour/audio_port.h"
41 #include "ardour/midi_port.h"
42 #include "ardour/session.h"
43 #include "ardour/cycle_timer.h"
44 #include "ardour/buffer_set.h"
45 #include "ardour/meter.h"
46 #include "ardour/amp.h"
47 #include "ardour/user_bundle.h"
51 #define BLOCK_PROCESS_CALLBACK() Glib::Mutex::Lock em (AudioEngine::instance()->process_lock())
54 using namespace ARDOUR;
57 const string IO::state_node_name = "IO";
58 bool IO::connecting_legal = false;
59 PBD::Signal0<int> IO::ConnectingLegal;
60 PBD::Signal1<void,ChanCount> IO::PortCountChanged;
62 /** @param default_type The type of port that will be created by ensure_io
63 * and friends if no type is explicitly requested (to avoid breakage).
65 IO::IO (Session& s, const string& name, Direction dir, DataType default_type)
66 : SessionObject (s, name)
68 , _default_type (default_type)
71 pending_state_node = 0;
75 IO::IO (Session& s, const XMLNode& node, DataType dt)
76 : SessionObject(s, "unnamed io")
81 pending_state_node = 0;
83 set_state (node, Stateful::loading_state_version);
89 Glib::Mutex::Lock lm (io_lock);
91 BLOCK_PROCESS_CALLBACK ();
93 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
94 _session.engine().unregister_port (*i);
99 IO::silence (nframes_t nframes)
101 /* io_lock, not taken: function must be called from Session::process() calltree */
103 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
104 i->get_buffer(nframes).silence (nframes);
109 IO::check_bundles_connected ()
111 check_bundles (_bundles_connected, ports());
114 /** Check the bundles in list to see which are connected to a given PortSet,
115 * and update list with those that are connected such that every port on every
116 * bundle channel x is connected to port x in ports.
119 IO::check_bundles (std::vector<UserBundleInfo*>& list, const PortSet& ports)
121 std::vector<UserBundleInfo*> new_list;
123 for (std::vector<UserBundleInfo*>::iterator i = list.begin(); i != list.end(); ++i) {
125 uint32_t const N = (*i)->bundle->nchannels().n_total();
127 if (_ports.num_ports() < N) {
133 for (uint32_t j = 0; j < N; ++j) {
134 /* Every port on bundle channel j must be connected to our input j */
135 Bundle::PortList const pl = (*i)->bundle->channel_ports (j);
136 for (uint32_t k = 0; k < pl.size(); ++k) {
137 if (ports.port(j)->connected_to (pl[k]) == false) {
149 new_list.push_back (*i);
160 IO::disconnect (Port* our_port, string other_port, void* src)
162 if (other_port.length() == 0 || our_port == 0) {
167 BLOCK_PROCESS_CALLBACK ();
170 Glib::Mutex::Lock lm (io_lock);
172 /* check that our_port is really one of ours */
174 if ( ! _ports.contains(our_port)) {
178 /* disconnect it from the source */
180 if (our_port->disconnect (other_port)) {
181 error << string_compose(_("IO: cannot disconnect port %1 from %2"), our_port->name(), other_port) << endmsg;
185 check_bundles_connected ();
189 changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
190 _session.set_dirty ();
196 IO::connect (Port* our_port, string other_port, void* src)
198 if (other_port.length() == 0 || our_port == 0) {
203 BLOCK_PROCESS_CALLBACK ();
206 Glib::Mutex::Lock lm (io_lock);
208 /* check that our_port is really one of ours */
210 if ( ! _ports.contains(our_port) ) {
214 /* connect it to the source */
216 if (our_port->connect (other_port)) {
222 changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
223 _session.set_dirty ();
228 IO::remove_port (Port* port, void* src)
233 BLOCK_PROCESS_CALLBACK ();
236 Glib::Mutex::Lock lm (io_lock);
238 ChanCount before = _ports.count ();
240 if (_ports.remove(port)) {
241 change.type = IOChange::Type (change.type | IOChange::ConfigurationChanged);
242 change.before = before;
243 change.after = _ports.count ();
245 if (port->connected()) {
246 change.type = IOChange::Type (change.type | IOChange::ConnectionsChanged);
249 _session.engine().unregister_port (*port);
250 check_bundles_connected ();
254 PortCountChanged (n_ports()); /* EMIT SIGNAL */
257 if (change.type & IOChange::ConfigurationChanged) {
261 if (change.type != IOChange::NoChange) {
262 changed (change, src);
263 _session.set_dirty ();
270 /** Add an output port.
272 * @param destination Name of input port to connect new port to.
273 * @param src Source for emitted ConfigurationChanged signal.
274 * @param type Data type of port. Default value (NIL) will use this IO's default type.
277 IO::add_port (string destination, void* src, DataType type)
281 if (type == DataType::NIL) {
282 type = _default_type;
288 BLOCK_PROCESS_CALLBACK ();
292 Glib::Mutex::Lock lm (io_lock);
294 /* Create a new output port */
296 string portname = build_legal_port_name (type);
298 if (_direction == Input) {
299 if ((our_port = _session.engine().register_input_port (type, portname)) == 0) {
300 error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg;
304 if ((our_port = _session.engine().register_output_port (type, portname)) == 0) {
305 error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg;
310 change.before = _ports.count ();
311 _ports.add (our_port);
314 PortCountChanged (n_ports()); /* EMIT SIGNAL */
317 if (destination.length()) {
318 if (our_port->connect (destination)) {
323 // pan_changed (src); /* EMIT SIGNAL */
324 change.type = IOChange::ConfigurationChanged;
325 change.after = _ports.count ();
326 changed (change, src); /* EMIT SIGNAL */
328 _session.set_dirty ();
334 IO::disconnect (void* src)
337 BLOCK_PROCESS_CALLBACK ();
340 Glib::Mutex::Lock lm (io_lock);
342 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
343 i->disconnect_all ();
346 check_bundles_connected ();
350 changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
356 IO::ensure_ports_locked (ChanCount count, bool clear, void* /*src*/)
359 bool changed = false;
361 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
363 const size_t n = count.get(*t);
365 /* remove unused ports */
366 for (size_t i = n_ports().get(*t); i > n; --i) {
367 port = _ports.port(*t, i-1);
371 _session.engine().unregister_port (*port);
376 /* create any necessary new ports */
377 while (n_ports().get(*t) < n) {
379 string portname = build_legal_port_name (*t);
383 if (_direction == Input) {
384 if ((port = _session.engine().register_input_port (*t, portname)) == 0) {
385 error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg;
389 if ((port = _session.engine().register_output_port (*t, portname)) == 0) {
390 error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg;
396 catch (AudioEngine::PortRegistrationFailure& err) {
407 check_bundles_connected ();
408 PortCountChanged (n_ports()); /* EMIT SIGNAL */
409 _session.set_dirty ();
413 /* disconnect all existing ports so that we get a fresh start */
414 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
415 i->disconnect_all ();
424 IO::ensure_ports (ChanCount count, bool clear, bool lockit, void* src)
426 bool changed = false;
428 if (count == n_ports() && !clear) {
434 change.before = _ports.count ();
437 BLOCK_PROCESS_CALLBACK ();
438 Glib::Mutex::Lock im (io_lock);
439 changed = ensure_ports_locked (count, clear, src);
441 changed = ensure_ports_locked (count, clear, src);
445 change.after = _ports.count ();
446 change.type = IOChange::ConfigurationChanged;
447 this->changed (change, src); /* EMIT SIGNAL */
449 _session.set_dirty ();
456 IO::ensure_io (ChanCount count, bool clear, void* src)
458 return ensure_ports (count, clear, true, src);
468 IO::state (bool /*full_state*/)
470 XMLNode* node = new XMLNode (state_node_name);
473 vector<string>::iterator ci;
475 LocaleGuard lg (X_("POSIX"));
476 Glib::Mutex::Lock lm (io_lock);
478 node->add_property("name", _name);
479 id().print (buf, sizeof (buf));
480 node->add_property("id", buf);
481 node->add_property ("direction", enum_2_string (_direction));
482 node->add_property ("default-type", _default_type.to_string());
484 for (std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
485 XMLNode* n = new XMLNode ("Bundle");
486 n->add_property ("name", (*i)->bundle->name ());
487 node->add_child_nocopy (*n);
490 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
492 vector<string> connections;
494 XMLNode* pnode = new XMLNode (X_("Port"));
495 pnode->add_property (X_("type"), i->type().to_string());
496 pnode->add_property (X_("name"), i->name());
498 if (i->get_connections (connections)) {
500 for (n = 0, ci = connections.begin(); ci != connections.end(); ++ci, ++n) {
502 /* if its a connection to our own port,
503 return only the port name, not the
504 whole thing. this allows connections
505 to be re-established even when our
506 client name is different.
509 XMLNode* cnode = new XMLNode (X_("Connection"));
511 cnode->add_property (X_("other"), _session.engine().make_port_name_relative (*ci));
512 pnode->add_child_nocopy (*cnode);
516 node->add_child_nocopy (*pnode);
523 IO::set_state (const XMLNode& node, int version)
525 /* callers for version < 3000 need to call set_state_2X directly, as A3 IOs
526 * are input OR output, not both, so the direction needs to be specified
529 assert (version >= 3000);
531 const XMLProperty* prop;
532 XMLNodeConstIterator iter;
533 LocaleGuard lg (X_("POSIX"));
535 /* force use of non-localized representation of decimal point,
536 since we use it a lot in XML files and so forth.
539 if (node.name() != state_node_name) {
540 error << string_compose(_("incorrect XML node \"%1\" passed to IO object"), node.name()) << endmsg;
544 if ((prop = node.property ("name")) != 0) {
545 set_name (prop->value());
548 if ((prop = node.property (X_("default-type"))) != 0) {
549 _default_type = DataType(prop->value());
550 assert(_default_type != DataType::NIL);
553 if ((prop = node.property ("id")) != 0) {
554 _id = prop->value ();
557 if ((prop = node.property ("direction")) != 0) {
558 _direction = (Direction) string_2_enum (prop->value(), _direction);
561 if (create_ports (node, version)) {
565 if (connecting_legal) {
567 if (make_connections (node, version, false)) {
573 pending_state_node = new XMLNode (node);
574 pending_state_node_version = version;
575 pending_state_node_in = false;
576 ConnectingLegal.connect_same_thread (connection_legal_c, boost::bind (&IO::connecting_became_legal, this));
584 IO::set_state_2X (const XMLNode& node, int version, bool in)
586 const XMLProperty* prop;
587 XMLNodeConstIterator iter;
588 LocaleGuard lg (X_("POSIX"));
590 /* force use of non-localized representation of decimal point,
591 since we use it a lot in XML files and so forth.
594 if (node.name() != state_node_name) {
595 error << string_compose(_("incorrect XML node \"%1\" passed to IO object"), node.name()) << endmsg;
599 if ((prop = node.property ("name")) != 0) {
600 set_name (prop->value());
603 if ((prop = node.property (X_("default-type"))) != 0) {
604 _default_type = DataType(prop->value());
605 assert(_default_type != DataType::NIL);
608 if ((prop = node.property ("id")) != 0) {
609 _id = prop->value ();
612 _direction = in ? Input : Output;
614 if (create_ports (node, version)) {
618 if (connecting_legal) {
620 if (make_connections_2X (node, version, in)) {
626 pending_state_node = new XMLNode (node);
627 pending_state_node_version = version;
628 pending_state_node_in = in;
629 ConnectingLegal.connect_same_thread (connection_legal_c, boost::bind (&IO::connecting_became_legal, this));
636 IO::connecting_became_legal ()
640 assert (pending_state_node);
642 connection_legal_c.disconnect ();
644 ret = make_connections (*pending_state_node, pending_state_node_version, pending_state_node_in);
646 delete pending_state_node;
647 pending_state_node = 0;
652 boost::shared_ptr<Bundle>
653 IO::find_possible_bundle (const string &desired_name)
655 static const string digits = "0123456789";
656 const string &default_name = (_direction == Input ? _("in") : _("out"));
657 const string &bundle_type_name = (_direction == Input ? _("input") : _("output"));
659 boost::shared_ptr<Bundle> c = _session.bundle_by_name (desired_name);
662 int bundle_number, mask;
663 string possible_name;
665 string::size_type last_non_digit_pos;
667 error << string_compose(_("Unknown bundle \"%1\" listed for %2 of %3"), desired_name, bundle_type_name, _name)
670 // find numeric suffix of desired name
673 last_non_digit_pos = desired_name.find_last_not_of(digits);
675 if (last_non_digit_pos != string::npos) {
677 s << desired_name.substr(last_non_digit_pos);
681 // see if it's a stereo connection e.g. "in 3+4"
683 if (last_non_digit_pos > 1 && desired_name[last_non_digit_pos] == '+') {
684 string::size_type left_last_non_digit_pos;
686 left_last_non_digit_pos = desired_name.find_last_not_of(digits, last_non_digit_pos-1);
688 if (left_last_non_digit_pos != string::npos) {
689 int left_bundle_number = 0;
691 s << desired_name.substr(left_last_non_digit_pos, last_non_digit_pos-1);
692 s >> left_bundle_number;
694 if (left_bundle_number > 0 && left_bundle_number + 1 == bundle_number) {
705 // find highest set bit
707 while ((mask <= bundle_number) && (mask <<= 1)) {}
709 // "wrap" bundle number into largest possible power of 2
714 if (bundle_number & mask) {
715 bundle_number &= ~mask;
718 s << default_name << " " << bundle_number + 1;
721 s << "+" << bundle_number + 2;
724 possible_name = s.str();
726 if ((c = _session.bundle_by_name (possible_name)) != 0) {
733 info << string_compose (_("Bundle %1 was not available - \"%2\" used instead"), desired_name, possible_name)
736 error << string_compose(_("No %1 bundles available as a replacement"), bundle_type_name)
747 IO::get_port_counts_2X (XMLNode const & node, int /*version*/, ChanCount& n, boost::shared_ptr<Bundle>& /*c*/)
749 XMLProperty const * prop;
750 XMLNodeList children = node.children ();
752 uint32_t n_audio = 0;
754 for (XMLNodeIterator i = children.begin(); i != children.end(); ++i) {
756 if ((prop = node.property ("inputs")) != 0 && _direction == Input) {
757 n_audio = count (prop->value().begin(), prop->value().end(), '{');
758 } else if ((prop = node.property ("input-connection")) != 0 && _direction == Input) {
760 } else if ((prop = node.property ("outputs")) != 0 && _direction == Output) {
761 n_audio = count (prop->value().begin(), prop->value().end(), '{');
762 } else if ((prop = node.property ("output-connection")) != 0 && _direction == Output) {
768 cnt.set_audio (n_audio);
769 n = ChanCount::max (n, cnt);
775 IO::get_port_counts (const XMLNode& node, int version, ChanCount& n, boost::shared_ptr<Bundle>& c)
777 if (version < 3000) {
778 return get_port_counts_2X (node, version, n, c);
781 XMLProperty const * prop;
782 XMLNodeConstIterator iter;
783 uint32_t n_audio = 0;
789 if ((prop = node.property ("connection")) != 0) {
791 if ((c = find_possible_bundle (prop->value())) != 0) {
792 n = ChanCount::max (n, c->nchannels());
797 for (iter = node.children().begin(); iter != node.children().end(); ++iter) {
799 if ((*iter)->name() == X_("Bundle")) {
800 if ((c = find_possible_bundle (prop->value())) != 0) {
801 n = ChanCount::max (n, c->nchannels());
808 if ((*iter)->name() == X_("Port")) {
809 prop = (*iter)->property (X_("type"));
815 if (prop->value() == X_("audio")) {
816 cnt.set_audio (++n_audio);
817 } else if (prop->value() == X_("midi")) {
818 cnt.set_midi (++n_midi);
823 n = ChanCount::max (n, cnt);
828 IO::create_ports (const XMLNode& node, int version)
831 boost::shared_ptr<Bundle> c;
833 get_port_counts (node, version, n, c);
835 if (ensure_ports (n, true, true, this)) {
836 error << string_compose(_("%1: cannot create I/O ports"), _name) << endmsg;
846 IO::make_connections (const XMLNode& node, int version, bool in)
848 if (version < 3000) {
849 return make_connections_2X (node, version, in);
852 const XMLProperty* prop;
854 for (XMLNodeConstIterator i = node.children().begin(); i != node.children().end(); ++i) {
856 if ((*i)->name() == "Bundle") {
857 XMLProperty const * prop = (*i)->property ("name");
859 boost::shared_ptr<Bundle> b = find_possible_bundle (prop->value());
861 connect_ports_to_bundle (b, this);
868 if ((*i)->name() == "Port") {
870 prop = (*i)->property (X_("name"));
876 Port* p = port_by_name (prop->value());
879 for (XMLNodeConstIterator c = (*i)->children().begin(); c != (*i)->children().end(); ++c) {
881 XMLNode* cnode = (*c);
883 if (cnode->name() != X_("Connection")) {
887 if ((prop = cnode->property (X_("other"))) == 0) {
892 p->connect (prop->value());
904 IO::make_connections_2X (const XMLNode& node, int /*version*/, bool in)
906 const XMLProperty* prop;
908 /* XXX: bundles ("connections" as was) */
910 if ((prop = node.property ("inputs")) != 0 && in) {
912 string::size_type ostart = 0;
913 string::size_type start = 0;
914 string::size_type end = 0;
917 vector<string> ports;
919 string const str = prop->value ();
921 while ((start = str.find_first_of ('{', ostart)) != string::npos) {
924 if ((end = str.find_first_of ('}', start)) == string::npos) {
925 error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg;
929 if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
930 error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg;
937 for (int x = 0; x < n; ++x) {
938 /* XXX: this is a bit of a hack; need to check if it's always valid */
939 string::size_type const p = ports[x].find ("/out");
940 if (p != string::npos) {
941 ports[x].replace (p, 4, "/audio_out");
943 nth(i)->connect (ports[x]);
953 if ((prop = node.property ("outputs")) != 0 && !in) {
955 string::size_type ostart = 0;
956 string::size_type start = 0;
957 string::size_type end = 0;
960 vector<string> ports;
962 string const str = prop->value ();
964 while ((start = str.find_first_of ('{', ostart)) != string::npos) {
967 if ((end = str.find_first_of ('}', start)) == string::npos) {
968 error << string_compose(_("IO: badly formed string in XML node for outputs \"%1\""), str) << endmsg;
972 if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
973 error << string_compose(_("IO: bad output string in XML node \"%1\""), str) << endmsg;
979 for (int x = 0; x < n; ++x) {
980 /* XXX: this is a bit of a hack; need to check if it's always valid */
981 string::size_type const p = ports[x].find ("/in");
982 if (p != string::npos) {
983 ports[x].replace (p, 3, "/audio_in");
985 nth(i)->connect (ports[x]);
998 IO::set_ports (const string& str)
1000 vector<string> ports;
1005 if ((nports = count (str.begin(), str.end(), '{')) == 0) {
1009 // FIXME: audio-only
1010 if (ensure_ports (ChanCount(DataType::AUDIO, nports), true, true, this)) {
1014 string::size_type start, end, ostart;
1021 while ((start = str.find_first_of ('{', ostart)) != string::npos) {
1024 if ((end = str.find_first_of ('}', start)) == string::npos) {
1025 error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg;
1029 if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
1030 error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg;
1036 for (int x = 0; x < n; ++x) {
1037 connect (nth (i), ports[x], this);
1049 IO::parse_io_string (const string& str, vector<string>& ports)
1051 string::size_type pos, opos;
1053 if (str.length() == 0) {
1062 while ((pos = str.find_first_of (',', opos)) != string::npos) {
1063 ports.push_back (str.substr (opos, pos - opos));
1067 if (opos < str.length()) {
1068 ports.push_back (str.substr(opos));
1071 return ports.size();
1075 IO::parse_gain_string (const string& str, vector<string>& ports)
1077 string::size_type pos, opos;
1083 while ((pos = str.find_first_of (',', opos)) != string::npos) {
1084 ports.push_back (str.substr (opos, pos - opos));
1088 if (opos < str.length()) {
1089 ports.push_back (str.substr(opos));
1092 return ports.size();
1096 IO::set_name (const string& requested_name)
1098 string name = requested_name;
1100 if (_name == name) {
1104 /* replace all colons in the name. i wish we didn't have to do this */
1106 replace_all (name, ":", "-");
1108 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
1109 string current_name = i->name();
1110 current_name.replace (current_name.find (_name), _name.val().length(), name);
1111 i->set_name (current_name);
1114 bool const r = SessionObject::set_name (name);
1122 IO::set_port_latency (nframes_t nframes)
1124 Glib::Mutex::Lock lm (io_lock);
1126 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
1127 i->set_latency (nframes);
1132 IO::latency () const
1134 nframes_t max_latency;
1139 /* io lock not taken - must be protected by other means */
1141 for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
1142 if ((latency = i->total_latency ()) > max_latency) {
1143 max_latency = latency;
1151 IO::update_port_total_latencies ()
1153 /* io_lock, not taken: function must be called from Session::process() calltree */
1155 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
1156 _session.engine().update_total_latency (*i);
1161 IO::connect_ports_to_bundle (boost::shared_ptr<Bundle> c, void* src)
1164 BLOCK_PROCESS_CALLBACK ();
1165 Glib::Mutex::Lock lm2 (io_lock);
1167 c->connect (_bundle, _session.engine());
1169 /* If this is a UserBundle, make a note of what we've done */
1171 boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c);
1174 /* See if we already know about this one */
1175 std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin();
1176 while (i != _bundles_connected.end() && (*i)->bundle != ub) {
1180 if (i == _bundles_connected.end()) {
1181 /* We don't, so make a note */
1182 _bundles_connected.push_back (new UserBundleInfo (this, ub));
1187 changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
1192 IO::disconnect_ports_from_bundle (boost::shared_ptr<Bundle> c, void* src)
1195 BLOCK_PROCESS_CALLBACK ();
1196 Glib::Mutex::Lock lm2 (io_lock);
1198 c->disconnect (_bundle, _session.engine());
1200 /* If this is a UserBundle, make a note of what we've done */
1202 boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c);
1205 std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin();
1206 while (i != _bundles_connected.end() && (*i)->bundle != ub) {
1210 if (i != _bundles_connected.end()) {
1212 _bundles_connected.erase (i);
1217 changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
1223 IO::disable_connecting ()
1225 connecting_legal = false;
1230 IO::enable_connecting ()
1232 connecting_legal = true;
1233 boost::optional<int> r = ConnectingLegal ();
1234 return r.get_value_or (0);
1238 IO::bundle_changed (Bundle::Change /*c*/)
1241 // connect_input_ports_to_bundle (_input_bundle, this);
1246 IO::build_legal_port_name (DataType type)
1248 const int name_size = jack_port_name_size();
1252 if (type == DataType::AUDIO) {
1253 suffix = _("audio");
1254 } else if (type == DataType::MIDI) {
1257 throw unknown_type();
1260 /* note that if "in" or "out" are translated it will break a session
1261 across locale switches because a port's connection list will
1262 show (old) translated names, but the current port name will
1263 use the (new) translated name.
1266 if (_direction == Input) {
1267 suffix += X_("_in");
1269 suffix += X_("_out");
1272 // allow up to 4 digits for the output port number, plus the slash, suffix and extra space
1274 limit = name_size - _session.engine().client_name().length() - (suffix.length() + 5);
1276 char buf1[name_size+1];
1277 char buf2[name_size+1];
1279 snprintf (buf1, name_size+1, ("%.*s/%s"), limit, _name.val().c_str(), suffix.c_str());
1281 int port_number = find_port_hole (buf1);
1282 snprintf (buf2, name_size+1, "%s %d", buf1, port_number);
1284 return string (buf2);
1288 IO::find_port_hole (const char* base)
1290 /* CALLER MUST HOLD IO LOCK */
1294 if (_ports.empty()) {
1298 /* we only allow up to 4 characters for the port number
1301 for (n = 1; n < 9999; ++n) {
1302 char buf[jack_port_name_size()];
1303 PortSet::iterator i = _ports.begin();
1305 snprintf (buf, jack_port_name_size(), _("%s %u"), base, n);
1307 for ( ; i != _ports.end(); ++i) {
1308 if (i->name() == buf) {
1313 if (i == _ports.end()) {
1322 IO::audio(uint32_t n) const
1324 return _ports.nth_audio_port (n);
1329 IO::midi(uint32_t n) const
1331 return _ports.nth_midi_port (n);
1335 * Setup a bundle that describe our inputs or outputs. Also creates the bundle if necessary.
1344 _bundle.reset (new Bundle (_direction == Input));
1347 _bundle->suspend_signals ();
1349 _bundle->remove_channels ();
1351 if (_direction == Input) {
1352 snprintf(buf, sizeof (buf), _("%s in"), _name.val().c_str());
1354 snprintf(buf, sizeof (buf), _("%s out"), _name.val().c_str());
1356 _bundle->set_name (buf);
1359 for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
1361 uint32_t const N = _ports.count().get (*i);
1362 for (uint32_t j = 0; j < N; ++j) {
1363 _bundle->add_channel (bundle_channel_name (j, N, *i), *i);
1364 _bundle->set_port (c, _session.engine().make_port_name_non_relative (_ports.port(*i, j)->name()));
1370 _bundle->resume_signals ();
1373 /** @return Bundles connected to our ports */
1375 IO::bundles_connected ()
1380 for (std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
1381 bundles.push_back ((*i)->bundle);
1384 /* Session bundles */
1385 boost::shared_ptr<ARDOUR::BundleList> b = _session.bundles ();
1386 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
1387 if ((*i)->connected_to (_bundle, _session.engine())) {
1388 bundles.push_back (*i);
1394 boost::shared_ptr<ARDOUR::RouteList> r = _session.get_routes ();
1396 if (_direction == Input) {
1397 for (ARDOUR::RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1398 if ((*i)->output()->bundle()->connected_to (_bundle, _session.engine())) {
1399 bundles.push_back ((*i)->output()->bundle());
1403 for (ARDOUR::RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1404 if ((*i)->input()->bundle()->connected_to (_bundle, _session.engine())) {
1405 bundles.push_back ((*i)->input()->bundle());
1414 IO::UserBundleInfo::UserBundleInfo (IO* io, boost::shared_ptr<UserBundle> b)
1417 b->Changed.connect_same_thread (changed, boost::bind (&IO::bundle_changed, io, _1));
1421 IO::bundle_channel_name (uint32_t c, uint32_t n, DataType t) const
1425 if (t == DataType::AUDIO) {
1431 return c == 0 ? _("L") : _("R");
1433 snprintf (buf, sizeof(buf), _("%d"), (c + 1));
1439 snprintf (buf, sizeof(buf), _("%d"), (c + 1));
1448 IO::name_from_state (const XMLNode& node)
1450 const XMLProperty* prop;
1452 if ((prop = node.property ("name")) != 0) {
1453 return prop->value();
1460 IO::set_name_in_state (XMLNode& node, const string& new_name)
1462 const XMLProperty* prop;
1464 if ((prop = node.property ("name")) != 0) {
1465 node.add_property ("name", new_name);
1470 IO::connected () const
1472 /* do we have any connections at all? */
1474 for (PortSet::const_iterator p = _ports.begin(); p != _ports.end(); ++p) {
1475 if (p->connected()) {
1484 IO::connected_to (boost::shared_ptr<const IO> other) const
1487 return connected ();
1490 assert (_direction != other->direction());
1493 uint32_t no = n_ports().n_total();
1494 uint32_t ni = other->n_ports ().n_total();
1496 for (i = 0; i < no; ++i) {
1497 for (j = 0; j < ni; ++j) {
1498 if (nth(i)->connected_to (other->nth(j)->name())) {
1508 IO::process_input (boost::shared_ptr<Processor> proc, sframes_t start_frame, sframes_t end_frame, nframes_t nframes)
1512 /* don't read the data into new buffers - just use the port buffers directly */
1514 bufs.attach_buffers (_ports, nframes, 0);
1515 proc->run (bufs, start_frame, end_frame, nframes, true);
1519 IO::collect_input (BufferSet& bufs, nframes_t nframes, ChanCount offset)
1521 assert(bufs.available() >= _ports.count());
1523 if (_ports.count() == ChanCount::ZERO) {
1527 bufs.set_count (_ports.count());
1529 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1530 PortSet::iterator i = _ports.begin(*t);
1531 BufferSet::iterator b = bufs.begin(*t);
1533 for (uint32_t off = 0; off < offset.get(*t); ++off, ++b) {
1534 if (b == bufs.end(*t)) {
1539 for ( ; i != _ports.end(*t); ++i, ++b) {
1540 Buffer& bb (i->get_buffer (nframes));
1541 b->read_from (bb, nframes);
1547 IO::copy_to_outputs (BufferSet& bufs, DataType type, nframes_t nframes, nframes_t offset)
1549 // Copy any buffers 1:1 to outputs
1551 PortSet::iterator o = _ports.begin(type);
1552 BufferSet::iterator i = bufs.begin(type);
1553 BufferSet::iterator prev = i;
1555 while (i != bufs.end(type) && o != _ports.end (type)) {
1556 Buffer& port_buffer (o->get_buffer (nframes));
1557 port_buffer.read_from (*i, nframes, offset);
1563 // Copy last buffer to any extra outputs
1565 while (o != _ports.end(type)) {
1566 Buffer& port_buffer (o->get_buffer (nframes));
1567 port_buffer.read_from (*prev, nframes, offset);
1573 IO::port_by_name (const std::string& str) const
1575 /* to be called only from ::set_state() - no locking */
1577 for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
1581 if (p.name() == str) {
1582 return const_cast<Port*>(&p);
1590 IO::physically_connected () const
1592 for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
1593 if (i->physically_connected()) {